Why are My Streaming Video and Audio Out of Sync on My Dacast Stream?
Streaming Video and Audio Out of Sync
It is quite common for encoders to get out of sync when streaming both video and audio feeds if the CPU of the machine running the encoder is being taxed.
If you are encountering this issue, please take a look at the system resources monitor while streaming. It might be that you need to change some settings, or perhaps your computer needs an update.
Usually, the CPU going over 60% (especially over 80%) can definitely result in issues. Dropped frames can also result in issues as well. These are typically ISP, packet loss, or server-based issues.
There are several ways to determine probable causes. Monitoring your encoder tells you everything from the actual input to the actual processing of the stream.
This also applies to the resulting file archive these encoders might be saving to your computer. For more tips on how to diagnose broadcasting issues, check out our guide on how to troubleshoot your live streams.
Required Encoder Settings
Check your encoder settings to make sure they are set in accordance with Dacasts required configurations.
The following encoder settings are required, regardless of your selected resolution and bitrate:
|VIDEO CODEC||H.264 (x264 may work)|
|FRAME RATE||25 or 30|
|KEYFRAME INTERVAL||2 secs (or 2x frame rate)|
|ENCODING BITRATE||Constant (CBR)|
|AUDIO BITRATE||128 kbps|
|AUDIO CHANNELS||2 (Stereo)|
|AUDIO SAMPLE RATE||48 kHz (48,000 Hz)|
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